Water Quality Index (WQI) Of Some Wells Located In The Region Of Kani Goma And Kanasura In Sulaimani Governorate

Volume 16 , Issue 1 , February 2014 , Pages 77-92

Authors

¹ Faculty of Agricultural Science, University of Sulaimani

A Water Quality Index (WQI) is a useful statistical tool for simplifying, reporting and

interpreting complex information obtained from any body of water. A simple number given by

any WQI model explains the level of water contamination. This study is carried out by using

twelve ecological parameters in evaluating the quality of the ground water for drinking usage,

by choosing four sampling sites in Kanasura and Kanigoma district located in Sulaimani city

during 15 July, 2013 to 1 September 2013. The sampling was repeated after 15 days and the

present study is spread over a period of two months of summer season. The present study aimed

to calculate water quality index (WQI) by the analysis of twelve physico-chemical parameters on

the basis of Weighted Arithmetic Index in order to assess the suitability of water for drinking

purposes and other human uses. These physico-chemical parameters like Electrical

Conductivity (EC), Turbidity, pH, Total Dissolved Solids (TDS), Calcium (Ca2+), Magnesium (Mg2+) ,

Total Hardness as CaCO3, Nitrate (NO3-_N), Nitrite, (NO2-_N), Sulfate (SO4 2-), Chloride(Cl-),

and Phosphate (PO43-_P). The observed values of these physico-chemical parameters were compared

with WHO standards. The results showed that water quality varied from good water

to poor water range.

Statistics